1,5-dimethoxy-3-(5-oxoheptanoyl)-4-naphthol

3-(5,5-ethylenedioxy-2-heptenoyl)-1,5-dimethoxy-4-methoxymethoxynaphthalene

2-(2-ethyl-1,3-dioxolan-2-yl)acetaldehyde

1-(1-hydroxy-4,8-dimethoxynaphthalen-2-yl)ethanone

3-acetyl-1,5-dimethoxy-4-methoxymethoxynaphthalene